Đầu lục giác Siết ốc MSTS

The Segmented Multi Stud Tensioning System (MSTS) is a portable system designed to simultaneously tension all studs on system closures such as steam generator primary and secondary manways, handwheel and valve covers. This stateof-the-art system applies a predictable and accurate preload to all studs simultaneously,thus eliminating the problems normally associated with conventional torque tightening techniques (e.g., uneven gasket preloads resulting in closure leakage, galling, broken fasteners, etc.)

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